Boguan is an optoelectronic instrument company established in 2003, which was recognized as "Guangzhou Famous Trademark" in 2009 and selected as a Chinese famous brand in Guangdong Province in 2014. Boguan is also the only domestic optical manufacturer in China that has been selected into the recommended list of Sky and Telescope magazine in the United States, and is known as the first telescope brand in China.
 
Boguan's astronomical telescopes range from entry-level of a few hundred yuan to a three-piece Maca astronomical telescope of tens of thousands, and the products at various price points are also complete, suitable for users who pursue cost-effectiveness. If you are interested in buying Boguan's astronomical telescope, Tianlong Maca 150/1800 will be more recommended.
 
There are two pieces and three pieces of Maca mirror, Xinda has two pieces, and Boguan has three pieces, and it is difficult to distinguish between the two, but theoretically speaking, the field of the three-piece type will be smaller, and 150/1800 is the more mainstream specification in the Maca. The lenses of the maca mirror all use spherical lenses, which can effectively reduce coma, primary and secondary ball aberrations. The focal ratio of the Maca mirror is very high, the higher the focal ratio of the refractor, the smaller the secondary mirror, the small secondary mirror means that you can get a very sharp image quality, the focal ratio of the Tianlong Marca reaches f/12, which is very suitable for seeing the planets and visually observing the galaxy.
 
150/1800 can choose EM11 or EM100 equatorial mount, with EM100 the price of the whole set of 8,488 yuan, with EM11 price of 12,568 yuan, EM11 in addition to the celestial target automatic finding, tracking basic functions, 32-bit RISC processor also stores 130,000 celestial targets, 9 levels of manual speed adjustment, Chinese system operation, in operation has a lot of convenience that foreign brands do not have.